Qac
abbr. quaternary ammonium compound 季铵化合物（杀菌剂）
🗣️ 情景例句
As soon as possible.
越快越好。
Make all you can, save all you can, give all you can.
尽力而为，尽力节约，尽力施舍。
Nice to meet you.My name's Sophie.
很高兴见到你。我的名字叫索菲娅。